diff --git a/build-constraints.yaml b/build-constraints.yaml
index 6056649b..bc7e845f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4649,7 +4649,7 @@ packages:
         - rocksdb-haskell
         - rocksdb-haskell-jprupp
         - rocksdb-query
-        - haskoin-core
+        - haskoin-core < 0 # 1.2.2 https://github.com/jprupp/haskoin-core/issues/424
         - haskoin-node
         - haskoin-store < 0 # 1.5.16 https://github.com/jprupp/haskoin-store/issues/32